Atrusca bulla (Kinsey, 1936)

Figs 123–136

Synonymy
Cynips (bulboides) bulla Kinsey, 1936: 154, female, gall.
Atrusca bulla (Kinsey): Weld, 1952: 314

Types examined

HOLOTYPE female Cynips (bulboides) bulla “Queretaro 28N Qro 7300’, Mex. Gall 1.17.32, 1 fm. 1932”, “Q. chihuahuens, Kinsey coll.”, red “Cynips bulla, Holo- Paratype”. Cynips (bulboides) bulla: one PARATYPE female “San Felipe 20SN, Gto 8000’, Mex. galls 12.7.30. 2 females 2.10.32.”, “Q. macrophylla Kinsey coll.”, “Cynips bulla Kinsey det. 34”; 1 female “Leon 20NE, Gto 9000’, Mex. galls 12.8.31, female, spring ‘32”, deposited in the general collection in AMNH, NYC, examined by GM.

Gall (Fig. 136)

A bulboid gall as described for other species of the complex. Mature galls peculiarly dark rosy or dark yellow brown, not noticeably puberulent except on younger galls, unspotted or only obscurely spotted, up to 25 mm, in average 18 mm in diameter.

Biology

The asexual generation is only known to induce leaf galls on Q. chihuahuensis, Q. magnoliifolia (= Q. macrophyla), Q. rugosa (= Q. reticulata) and Q. undata.

Distribution

Mexico: Guanajuato, San Luis Potosí, Querétaro

- VICTOR CUESTA-PORTA, GEORGE MELIKA, MAR FERRER-SUAY, ALEXIS VERA-ORTIZ, JULI PUJADE-VILLAR: (2025) Review of the Nearctic and Neotropical genus Atrusca Kinsey, 1930 (Hymenoptera: Cynipidae, Cynipini)^©